Business Data Analysis

Business Data Analysis
Computer Assignment
Student’s Name
Institution Affiliation

Business Data Analysis
Part 1
Research to investigate this relationship the number of rooms in a house and the valuation of a
house (the price of a house).
1. Type of survey method the researcher
Questionnaire. With this method, it will be easier to collect data as it's easier to design and
people can respond to the questions in their free time.
2. The sampling method that can use to select the sample
Stratified random sampling. This will ensure equal representation of genders, social classes, and
groups of people representation in the sample (Thompson, 2012).
3. Variables researcher will consider
 Number of rooms in a house
 Price of the house
The house price will be the response variable(Y) while Number of rooms will be the explanatory
variable(X).
4. Issues that can be faced
Some targeted people may fail to answers the questionnaire. Others will respond but give
wrong/inaccurate answers which can lead to wrong results (Singh, & Mangat, 2013).)

Business Data Analysis
PART 2
5. Histogram for each variable
The following are histogram for preparation time and Mark respectively
25-34
35-44
45-54
55-64
65-74
75-84
85-94
0
5
10
15
20
25
30
Histogram for Preparation Time
Preparation Time
Frequency
The histogram above is not below shapes indicating that the preparation time is not normally
distributed.